<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/9/19
 * Time: 16:41
 */
function change(){
    static $count = 0;
    echo $count;
    $count++;
}

function change2(){
    static $count = 0;
    echo $count;
    $count++;
}

change();//
change();
change();
change();
change2();
